Process for the work-up of complex amine hydrofluroides

Details Process for the work-up of complex amine hydrofluroides Process for the work-up of complex amine hydrofluroides

1995-12-18

1998-03-17

Burn, Brian M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

524497, 570134, 570164, C07C20984

Patent

active

057288844

ABSTRACT:
The invention relates to a process for the work-up of a liquid complex R.sup.3 N.multidot.n HF!, where the radicals R.sup.1, R.sup.2 and R.sup.3 are C.sub.1 -C.sub.8 -alkyl groups which together have at least 7 carbon atoms and n is an integer or fractional number where 1.5<n<3, which, for the purpose of molecular addition of HF to a halogenated alkene, is reacted with the latter. In the reaction of the halogenated alkene with the complex amine hydrofluoride of the formula (I), the molar ratio HF:R.sup.1 R.sup.2 R.sup.3 N is allowed to fall until amine separates out as a further liquid phase, and the amine is separated off.

REFERENCES:
patent: 4734526 (1988-03-01), Albert et al.
Franz, R., J. Fluorine Chemistry 15:423-434 (1980).
Olah et al. Synthesis, Dec. 1973 (pp.779-780).
Yoneda et al. Chemistry Letters pp. 1135-1136, 1983.

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